package com.koyi0000.mq.rabbit;

/**
 * @author koyi0000
 * Description  Date 2020/9/15 21:27
 **/
public class Square {

    long width;
    public Square(long l) {
        width = l;
    }
    public static void main(String arg[]) {
        Square a, b, c;
        a = new Square(42L);
        b = new Square(42L);
        c = b;
        long s = 42L;
    }
}
